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Diffstat (limited to 'src/multimedia/mediaservices/base/qmediaserviceprovider.h')
| -rw-r--r-- | src/multimedia/mediaservices/base/qmediaserviceprovider.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/multimedia/mediaservices/base/qmediaserviceprovider.h b/src/multimedia/mediaservices/base/qmediaserviceprovider.h new file mode 100644 index 0000000..45021c7 --- /dev/null +++ b/src/multimedia/mediaservices/base/qmediaserviceprovider.h @@ -0,0 +1,174 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtMediaservices module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMEDIASERVICEPROVIDER_H +#define QMEDIASERVICEPROVIDER_H + +#include <QtCore/qobject.h> +#include <QtCore/qshareddata.h> + +#include <QtMediaservices/qtmedianamespace.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + + +class QMediaService; + +class QMediaServiceProviderHintPrivate; +class Q_MULTIMEDIA_EXPORT QMediaServiceProviderHint +{ +public: + enum Type { Null, ContentType, Device, SupportedFeatures }; + + enum Feature { + LowLatencyPlayback = 0x01, + RecordingSupport = 0x02, + StreamPlayback = 0x04 + }; + Q_DECLARE_FLAGS(Features, Feature) + + QMediaServiceProviderHint(); + QMediaServiceProviderHint(const QString &mimeType, const QStringList& codecs); + QMediaServiceProviderHint(const QByteArray &device); + QMediaServiceProviderHint(Features features); + QMediaServiceProviderHint(const QMediaServiceProviderHint &other); + ~QMediaServiceProviderHint(); + + QMediaServiceProviderHint& operator=(const QMediaServiceProviderHint &other); + + bool operator == (const QMediaServiceProviderHint &other) const; + bool operator != (const QMediaServiceProviderHint &other) const; + + bool isNull() const; + + Type type() const; + + QString mimeType() const; + QStringList codecs() const; + + QByteArray device() const; + + Features features() const; + + //to be extended, if necessary + +private: + QSharedDataPointer<QMediaServiceProviderHintPrivate> d; +}; + +class Q_MULTIMEDIA_EXPORT QMediaServiceProvider : public QObject +{ + Q_OBJECT + +public: + virtual QMediaService* requestService(const QByteArray &type, const QMediaServiceProviderHint &hint = QMediaServiceProviderHint()) = 0; + virtual void releaseService(QMediaService *service) = 0; + + virtual QtMediaservices::SupportEstimate hasSupport(const QByteArray &serviceType, + const QString &mimeType, + const QStringList& codecs, + int flags = 0) const; + virtual QStringList supportedMimeTypes(const QByteArray &serviceType, int flags = 0) const; + + virtual QList<QByteArray> devices(const QByteArray &serviceType) const; + virtual QString deviceDescription(const QByteArray &serviceType, const QByteArray &device); + + static QMediaServiceProvider* defaultServiceProvider(); + +#ifdef QT_BUILD_INTERNAL + static void setDefaultServiceProvider(QMediaServiceProvider *provider); +#endif +}; + +/*! + Service with support for media playback + Required Controls: QMediaPlayerControl + Optional Controls: QMediaPlaylistControl, QAudioDeviceControl + Video Output Controls (used by QWideoWidget and QGraphicsVideoItem): + Required: QVideoOutputControl + Optional: QVideoWindowControl, QVideoRendererControl, QVideoWidgetControl +*/ +#define Q_MEDIASERVICE_MEDIAPLAYER "com.nokia.qt.mediaplayer" + +/*! + Service with support for recording from audio sources + Required Controls: QAudioDeviceControl + Recording Controls (QMediaRecorder): + Required: QMediaRecorderControl + Recommended: QAudioEncoderControl + Optional: QMediaContainerControl +*/ +#define Q_MEDIASERVICE_AUDIOSOURCE "com.nokia.qt.audiosource" + +/*! + Service with support for camera use. + Required Controls: QCameraControl + Optional Controls: QCameraExposureControl, QCameraFocusControl, QImageProcessingControl + Still Capture Controls: QImageCaptureControl + Recording Controls (QMediaRecorder): + Required: QMediaRecorderControl + Recommended: QAudioEncoderControl, QVideoEncoderControl, QMediaContainerControl + Viewfinder Video Output Controls (used by QWideoWidget and QGraphicsVideoItem): + Required: QVideoOutputControl + Optional: QVideoWindowControl, QVideoRendererControl, QVideoWidgetControl +*/ +#define Q_MEDIASERVICE_CAMERA "com.nokia.qt.camera" + +/*! + Service with support for radio tuning. + Required Controls: QRadioTunerControl + Recording Controls (Optional, used by QMediaRecorder): + Required: QMediaRecorderControl + Recommended: QAudioEncoderControl + Optional: QMediaContainerControl +*/ +#define Q_MEDIASERVICE_RADIO "com.nokia.qt.radio" + + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QMEDIASERVICEPROVIDER_H |